Chronic bronchitis, emphysema, and two lung infections, need to take general treatment, drug treatment, surgical treatment and other therapeutic measures for the cause of the disease. 1. Acute stage of chronic bronchitis: when there are clear indications of bacterial infection, anti-infective drugs, such as levofloxacin and amoxicillin, can be used, accompanied by mucous sputum that is not easy to cough up can be given to aminobromine hydrochloride and other cough suppressant and sputum treatment. Chronic bronchitis in remission: need to quit smoking, avoid inhaling irritating gases, avoid cold. Cold and flu, appropriate exercise, enhance physical fitness, and develop good sputum habits. 2. Emphysema: patients with emphysema can follow the doctor’s instructions to use bronchodilators, such as salbutamol, salmeterol, etc., or expectorant drugs, such as aminoglutethimide hydrochloride, etc., and glucocorticosteroids, such as budesonide, fluticasone, etc., to relieve the patient’s symptoms of coughing, coughing up sputum and wheezing; when there are clear indications of bacterial infections, it is necessary to take active anti-infective treatments, such as ceftriaxone, levofloxacin and so on. Some patients can take surgical treatment, such as surgical lung reduction, transbronchoscopic lung reduction, lung transplantation and so on. 3. Infection of both lungs: if the patient is caused by bacterial infection, antibiotics can be used as prescribed by the doctor, such as levofloxacin, cefuroxime, etc. If the patient is caused by viral infection, ribavirin, oseltamivir, zanamivir, etc. can be used to treat the disease actively. At the same time, active symptomatic treatment, such as physical cooling, cough, phlegm, asthma and so on. Once discomfort occurs, patients need to actively consult the doctor and cooperate with the doctor to take relevant therapeutic measures, so as to avoid delaying the condition. The above drugs should be used under the guidance of a physician.